Daily sunshine hours observed on 26th February 1985 at 03xxx stations (305 reports).
Date (00Z D to 24Z D)
-1 day
+1 day
Plot hours Plot % of theoretical max
UK only UK & ROI
Highest 10
Craibstone (102 m, CS)9.0 hours
Dyce (65 m, CS)8.6 hours
Wick Airport (36 m, CS)8.5 hours
Kirkwall (26 m, CS)8.3 hours
Culterty No 2 (3 m, CS)8.3 hours
Askham Bryan (32 m, CS)8.3 hours
Lairg No 2 (91 m, CS)8.2 hours
Bridlington Cemetery (25 m, CS)8.2 hours
Keiss (30 m, CS)7.9 hours
Kinbrace, Hatchery (103 m, CS)7.9 hours

Lowest 10
Annalong, Darraway (9 m, CS)0.0 hours
Bude (15 m, CS)0.0 hours
St Austell, Bethel (55 m, CS)0.0 hours
Twist (183 m, CS)0.0 hours
Melbury (143 m, CS)0.0 hours
Brymore School (25 m, CS)0.0 hours
Hawkridge (314 m, CS)0.0 hours
Cardiff, Bute Park (9 m, CS)0.0 hours
Rhoose (65 m, CS)0.0 hours
Porthcawl (6 m, CS)0.0 hours

Average Sun = 3.2 hours

*MIDAS UK data available from 1887
*SYNOP data available from 2000
*Background satellite imagery from 25/02/2000

Data courtesy of MetOffice and OGIMET
OpenMIDAS Data - Met Office (2021): MIDAS Open: UK daily temperature data, v202107. NERC EDS Centre for Environmental Data Analysis, 08 September 2021.


Methods for measuring sunshine have changed over time, older records and some climate sites today will use a Campbell-Stokes sunshine recorder, whereas nowadays the majority of measurements will be taken using a pyrheliometer and threshold of 120 W/m^2 for sunshine. The instrumentation used is indicated by the letters in the table - WMO means a pyrheliometer was used, CS means a Campbell-Stokes recorder was used, and S means that the value was extracted from the SYNOP report (most likely to be a pyrheliometer measurement but not for certain). Clicking on an icon in the map will display a popup which also contains this information.

It is possible to convert the newer pyrheliometer measurements to a Campbell-Stokes equivalent for a fairer comparison across time, which is done for climatological purposes, and is a function which I may add to this page at some point.



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